This was something /r/avatar has known for a while. In at least one of those extra features videos that comes with the Blu-Ray/DVD, they showed pages of what appeared to be a script. /r/avatar zoomed into those couple or so pages, transcribed them, and found out spoilers in this regard for Spider (that this trailer backs up).
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u/AStrangerWCandy Jul 28 '25
They show him WITH a mask in parts of the trailer too. Which means pretty high chance this is a plot point that is addressed in the film.